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Old May 1st, 2012, 09:51 AM
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Question 303 Rocker arm ratio
Does anyone know the correct rocker arm ratio for the '52 Olds 303
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Old May 1st, 2012, 03:40 PM
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If I'm not mistaken 52 was the first year for the 1.6 ratio. Prior to that was 1.5
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Old May 1st, 2012, 04:28 PM
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Thanks,I just read something that said 1.8, so now i'm really confused.
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Old May 1st, 2012, 08:53 PM
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You are right. It became 1.8 in 1952
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